package cn.wqm.step;

import com.wqm.step.Animal;
import com.wqm.step.Dog;

public class Test {

	public static void main(String[] args) {
		method(new Dog());// a.eat()
	}

	public static void method(Animal a) {
		a.eat();
	}
	
	
	@Test
	public void test() {
		
	}
}
